Comparison of NSU 101 OSB 1951 and NSU 101 OSB 1950 [S]ave
| Attribute |  NSU 101 OSB 1951 × | NSU 101 OSB 1950 × |
|---|---|---|
| General | ||
| Production from (year) | 1951 | 1950 |
| Make | NSU | NSU |
| Model | NSU 101 OSB | NSU 101 OSB |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 98 | 98 |
| Power (kw) | 4.2 | 4.2 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 50 | 50 |
| Stroke (mm) | 50 | 50 |
| Compression | 7.0:1 | 7.0:1 |
| Chassis | ||
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Pressed steel | Pressed steel |
| Front tyre | 2.50-19 | 2.50-19 |
| Rear tyre | 2.50-19 | 2.50-19 |
| Seat | Single spring-mounted | Single spring-mounted |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Dry weight (kg) | 85 | 85 |
| Power/weight ratio | 0.0494 | 0.0494 |
| Performance | ||
| Top speed (km/h) | 85 | 85 |
| Fuel capacity (l) | 8 | 8 |
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